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-rw-r--r--JavaScriptCore/jit/JITStubs.h162
1 files changed, 100 insertions, 62 deletions
diff --git a/JavaScriptCore/jit/JITStubs.h b/JavaScriptCore/jit/JITStubs.h
index 17fd0d9..937134b 100644
--- a/JavaScriptCore/jit/JITStubs.h
+++ b/JavaScriptCore/jit/JITStubs.h
@@ -1,5 +1,6 @@
/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -29,10 +30,11 @@
#ifndef JITStubs_h
#define JITStubs_h
-#include <wtf/Platform.h>
-
+#include "CallData.h"
#include "MacroAssemblerCodeRef.h"
#include "Register.h"
+#include "ThunkGenerators.h"
+#include <wtf/HashMap.h>
#if ENABLE(JIT)
@@ -45,16 +47,16 @@ namespace JSC {
class FunctionExecutable;
class Identifier;
class JSGlobalData;
- class JSGlobalData;
+ class JSGlobalObject;
class JSObject;
class JSPropertyNameIterator;
class JSValue;
class JSValueEncodedAsPointer;
+ class NativeExecutable;
class Profiler;
class PropertySlot;
class PutPropertySlot;
class RegisterFile;
- class JSGlobalObject;
class RegExp;
union JITStubArg {
@@ -78,8 +80,11 @@ namespace JSC {
struct TrampolineStructure {
MacroAssemblerCodePtr ctiStringLengthTrampoline;
MacroAssemblerCodePtr ctiVirtualCallLink;
+ MacroAssemblerCodePtr ctiVirtualConstructLink;
MacroAssemblerCodePtr ctiVirtualCall;
- MacroAssemblerCodePtr ctiNativeCallThunk;
+ MacroAssemblerCodePtr ctiVirtualConstruct;
+ MacroAssemblerCodePtr ctiNativeCall;
+ MacroAssemblerCodePtr ctiNativeConstruct;
MacroAssemblerCodePtr ctiSoftModulo;
};
@@ -92,7 +97,7 @@ namespace JSC {
void* code;
RegisterFile* registerFile;
CallFrame* callFrame;
- JSValue* exception;
+ void* unused1;
Profiler** enabledProfilerReference;
JSGlobalData* globalData;
@@ -108,10 +113,10 @@ namespace JSC {
ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
};
#elif CPU(X86)
-#if COMPILER(MSVC)
+#if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
#pragma pack(push)
#pragma pack(4)
-#endif // COMPILER(MSVC)
+#endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
struct JITStackFrame {
void* reserved; // Unused
JITStubArg args[6];
@@ -128,22 +133,22 @@ namespace JSC {
void* code;
RegisterFile* registerFile;
CallFrame* callFrame;
- JSValue* exception;
+ void* unused1;
Profiler** enabledProfilerReference;
JSGlobalData* globalData;
// When JIT code makes a call, it pushes its return address just below the rest of the stack.
ReturnAddressPtr* returnAddressSlot() { return reinterpret_cast<ReturnAddressPtr*>(this) - 1; }
};
-#if COMPILER(MSVC)
+#if COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
#pragma pack(pop)
-#endif // COMPILER(MSVC)
+#endif // COMPILER(MSVC) || (OS(WINDOWS) && COMPILER(GCC))
#elif CPU(ARM_THUMB2)
struct JITStackFrame {
- void* reserved; // Unused
+ JITStubArg reserved; // Unused
JITStubArg args[6];
-#if USE(JSVALUE32_64)
- void* padding[2]; // Maintain 16-byte stack alignment.
+#if USE(JSVALUE64)
+ void* padding; // Maintain 16-byte stack alignment.
#endif
ReturnAddressPtr thunkReturnAddress;
@@ -156,9 +161,7 @@ namespace JSC {
// These arguments passed in r1..r3 (r0 contained the entry code pointed, which is not preserved)
RegisterFile* registerFile;
CallFrame* callFrame;
- JSValue* exception;
-
- void* padding2;
+ void* unused1;
// These arguments passed on the stack.
Profiler** enabledProfilerReference;
@@ -167,6 +170,10 @@ namespace JSC {
ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
};
#elif CPU(ARM_TRADITIONAL)
+#if COMPILER(MSVC)
+#pragma pack(push)
+#pragma pack(4)
+#endif // COMPILER(MSVC)
struct JITStackFrame {
JITStubArg padding; // Unused
JITStubArg args[7];
@@ -182,7 +189,7 @@ namespace JSC {
RegisterFile* registerFile;
CallFrame* callFrame;
- JSValue* exception;
+ void* unused1;
// These arguments passed on the stack.
Profiler** enabledProfilerReference;
@@ -191,69 +198,88 @@ namespace JSC {
// When JIT code makes a call, it pushes its return address just below the rest of the stack.
ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
};
+#if COMPILER(MSVC)
+#pragma pack(pop)
+#endif // COMPILER(MSVC)
+#elif CPU(MIPS)
+ struct JITStackFrame {
+ JITStubArg reserved; // Unused
+ JITStubArg args[6];
+
+#if USE(JSVALUE32_64)
+ void* padding; // Make the overall stack length 8-byte aligned.
+#endif
+
+ void* preservedGP; // store GP when using PIC code
+ void* preservedS0;
+ void* preservedS1;
+ void* preservedS2;
+ void* preservedReturnAddress;
+
+ ReturnAddressPtr thunkReturnAddress;
+
+ // These arguments passed in a1..a3 (a0 contained the entry code pointed, which is not preserved)
+ RegisterFile* registerFile;
+ CallFrame* callFrame;
+ void* unused1;
+
+ // These arguments passed on the stack.
+ Profiler** enabledProfilerReference;
+ JSGlobalData* globalData;
+
+ ReturnAddressPtr* returnAddressSlot() { return &thunkReturnAddress; }
+ };
#else
#error "JITStackFrame not defined for this platform."
#endif
#define JITSTACKFRAME_ARGS_INDEX (OBJECT_OFFSETOF(JITStackFrame, args) / sizeof(void*))
-#if USE(JIT_STUB_ARGUMENT_VA_LIST)
- #define STUB_ARGS_DECLARATION void* args, ...
- #define STUB_ARGS (reinterpret_cast<void**>(vl_args) - 1)
+#define STUB_ARGS_DECLARATION void** args
+#define STUB_ARGS (args)
+#if CPU(X86)
#if COMPILER(MSVC)
- #define JIT_STUB __cdecl
- #else
- #define JIT_STUB
- #endif
-#else
- #define STUB_ARGS_DECLARATION void** args
- #define STUB_ARGS (args)
-
- #if CPU(X86) && COMPILER(MSVC)
#define JIT_STUB __fastcall
- #elif CPU(X86) && COMPILER(GCC)
+ #elif COMPILER(GCC)
#define JIT_STUB __attribute__ ((fastcall))
#else
- #define JIT_STUB
+ #error "JIT_STUB function calls require fastcall conventions on x86, add appropriate directive/attribute here for your compiler!"
#endif
-#endif
-
-#if CPU(X86_64)
- struct VoidPtrPair {
- void* first;
- void* second;
- };
- #define RETURN_POINTER_PAIR(a,b) VoidPtrPair pair = { a, b }; return pair
#else
- // MSVC doesn't support returning a two-value struct in two registers, so
- // we cast the struct to int64_t instead.
- typedef uint64_t VoidPtrPair;
- union VoidPtrPairUnion {
- struct { void* first; void* second; } s;
- VoidPtrPair i;
- };
- #define RETURN_POINTER_PAIR(a,b) VoidPtrPairUnion pair = {{ a, b }}; return pair.i
+ #define JIT_STUB
#endif
extern "C" void ctiVMThrowTrampoline();
extern "C" void ctiOpThrowNotCaught();
- extern "C" EncodedJSValue ctiTrampoline(void* code, RegisterFile*, CallFrame*, JSValue* exception, Profiler**, JSGlobalData*);
+ extern "C" EncodedJSValue ctiTrampoline(void* code, RegisterFile*, CallFrame*, void* /*unused1*/, Profiler**, JSGlobalData*);
class JITThunks {
public:
JITThunks(JSGlobalData*);
+ ~JITThunks();
static void tryCacheGetByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const Identifier& propertyName, const PropertySlot&, StructureStubInfo* stubInfo);
- static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&, StructureStubInfo* stubInfo);
+ static void tryCachePutByID(CallFrame*, CodeBlock*, ReturnAddressPtr returnAddress, JSValue baseValue, const PutPropertySlot&, StructureStubInfo* stubInfo, bool direct);
MacroAssemblerCodePtr ctiStringLengthTrampoline() { return m_trampolineStructure.ctiStringLengthTrampoline; }
MacroAssemblerCodePtr ctiVirtualCallLink() { return m_trampolineStructure.ctiVirtualCallLink; }
+ MacroAssemblerCodePtr ctiVirtualConstructLink() { return m_trampolineStructure.ctiVirtualConstructLink; }
MacroAssemblerCodePtr ctiVirtualCall() { return m_trampolineStructure.ctiVirtualCall; }
- MacroAssemblerCodePtr ctiNativeCallThunk() { return m_trampolineStructure.ctiNativeCallThunk; }
+ MacroAssemblerCodePtr ctiVirtualConstruct() { return m_trampolineStructure.ctiVirtualConstruct; }
+ MacroAssemblerCodePtr ctiNativeCall() { return m_trampolineStructure.ctiNativeCall; }
+ MacroAssemblerCodePtr ctiNativeConstruct() { return m_trampolineStructure.ctiNativeConstruct; }
MacroAssemblerCodePtr ctiSoftModulo() { return m_trampolineStructure.ctiSoftModulo; }
+ MacroAssemblerCodePtr ctiStub(JSGlobalData* globalData, ThunkGenerator generator);
+
+ PassRefPtr<NativeExecutable> hostFunctionStub(JSGlobalData* globalData, NativeFunction func);
+ PassRefPtr<NativeExecutable> hostFunctionStub(JSGlobalData* globalData, NativeFunction func, ThunkGenerator generator);
private:
+ typedef HashMap<ThunkGenerator, MacroAssemblerCodePtr> CTIStubMap;
+ CTIStubMap m_ctiStubMap;
+ typedef HashMap<NativeFunction, RefPtr<NativeExecutable> > HostFunctionStubMap;
+ HostFunctionStubMap m_hostFunctionStubMap;
RefPtr<ExecutablePool> m_executablePool;
TrampolineStructure m_trampolineStructure;
@@ -268,13 +294,19 @@ extern "C" {
EncodedJSValue JIT_STUB cti_op_call_NotJSFunction(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_call_eval(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_construct_NotJSConstruct(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_create_this(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_convert_this(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_convert_this_strict(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_del_by_id(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_del_by_val(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_div(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_get_by_id(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_get_by_id_array_fail(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_get_by_id_custom_stub(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_get_by_id_generic(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_get_by_id_getter_stub(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_get_by_id_method_check(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_get_by_id_proto_fail(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_get_by_id_proto_list(STUB_ARGS_DECLARATION);
@@ -306,23 +338,22 @@ extern "C" {
EncodedJSValue JIT_STUB cti_op_pre_inc(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_resolve(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_resolve_base(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_resolve_base_strict_put(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_ensure_property_exists(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_resolve_global(STUB_ARGS_DECLARATION);
+ EncodedJSValue JIT_STUB cti_op_resolve_global_dynamic(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_resolve_skip(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_resolve_with_base(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_rshift(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_strcat(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_stricteq(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_sub(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_to_jsnumber(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_to_primitive(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_typeof(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_op_urshift(STUB_ARGS_DECLARATION);
- EncodedJSValue JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION);
EncodedJSValue JIT_STUB cti_to_object(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_construct_JSConstruct(STUB_ARGS_DECLARATION);
JSObject* JIT_STUB cti_op_new_array(STUB_ARGS_DECLARATION);
- JSObject* JIT_STUB cti_op_new_error(STUB_ARGS_DECLARATION);
JSObject* JIT_STUB cti_op_new_func(STUB_ARGS_DECLARATION);
JSObject* JIT_STUB cti_op_new_func_exp(STUB_ARGS_DECLARATION);
JSObject* JIT_STUB cti_op_new_object(STUB_ARGS_DECLARATION);
@@ -332,11 +363,8 @@ extern "C" {
JSObject* JIT_STUB cti_op_push_scope(STUB_ARGS_DECLARATION);
JSObject* JIT_STUB cti_op_put_by_id_transition_realloc(STUB_ARGS_DECLARATION);
JSPropertyNameIterator* JIT_STUB cti_op_get_pnames(STUB_ARGS_DECLARATION);
- VoidPtrPair JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION);
int JIT_STUB cti_op_eq(STUB_ARGS_DECLARATION);
-#if USE(JSVALUE32_64)
int JIT_STUB cti_op_eq_strings(STUB_ARGS_DECLARATION);
-#endif
int JIT_STUB cti_op_jless(STUB_ARGS_DECLARATION);
int JIT_STUB cti_op_jlesseq(STUB_ARGS_DECLARATION);
int JIT_STUB cti_op_jtrue(STUB_ARGS_DECLARATION);
@@ -344,8 +372,7 @@ extern "C" {
int JIT_STUB cti_op_loop_if_lesseq(STUB_ARGS_DECLARATION);
int JIT_STUB cti_timeout_check(STUB_ARGS_DECLARATION);
int JIT_STUB cti_has_property(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_create_arguments(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_op_create_arguments_no_params(STUB_ARGS_DECLARATION);
+ void JIT_STUB cti_op_check_has_instance(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_debug(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_end(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_jmp_scopes(STUB_ARGS_DECLARATION);
@@ -355,6 +382,9 @@ extern "C" {
void JIT_STUB cti_op_put_by_id(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_put_by_id_fail(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_put_by_id_generic(STUB_ARGS_DECLARATION);
+ void JIT_STUB cti_op_put_by_id_direct(STUB_ARGS_DECLARATION);
+ void JIT_STUB cti_op_put_by_id_direct_fail(STUB_ARGS_DECLARATION);
+ void JIT_STUB cti_op_put_by_id_direct_generic(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_put_by_index(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_put_by_val(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_put_by_val_byte_array(STUB_ARGS_DECLARATION);
@@ -363,12 +393,20 @@ extern "C" {
void JIT_STUB cti_op_ret_scopeChain(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_tear_off_activation(STUB_ARGS_DECLARATION);
void JIT_STUB cti_op_tear_off_arguments(STUB_ARGS_DECLARATION);
- void JIT_STUB cti_register_file_check(STUB_ARGS_DECLARATION);
- void* JIT_STUB cti_op_call_JSFunction(STUB_ARGS_DECLARATION);
+ void JIT_STUB cti_op_throw_reference_error(STUB_ARGS_DECLARATION);
+ void JIT_STUB cti_op_throw_syntax_error(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_op_call_arityCheck(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_op_construct_arityCheck(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_op_call_jitCompile(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_op_construct_jitCompile(STUB_ARGS_DECLARATION);
void* JIT_STUB cti_op_switch_char(STUB_ARGS_DECLARATION);
void* JIT_STUB cti_op_switch_imm(STUB_ARGS_DECLARATION);
void* JIT_STUB cti_op_switch_string(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_op_throw(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_register_file_check(STUB_ARGS_DECLARATION);
void* JIT_STUB cti_vm_lazyLinkCall(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_vm_lazyLinkConstruct(STUB_ARGS_DECLARATION);
+ void* JIT_STUB cti_vm_throw(STUB_ARGS_DECLARATION);
} // extern "C"
} // namespace JSC